<template>
    <div class="search">
      <van-nav-bar title="帖子搜索" left-arrow @click-left="$router.go(-1)" />
      <van-search v-model="search" show-action placeholder="请输入搜索关键词" clearable>
        <template #action>
          <div  @click="goSearch(search)">搜索</div>
        </template>
      </van-search>
  
      <!-- 搜索历史 -->
      <div class="search-history" v-if="history.length>0">
        <div class="title">
          <span>最近搜索</span>
          <van-icon @click="clear" name="delete-o" size="16" />
        </div>
        <div class="list">
            <div v-for="item in history" :key="item" @click="goSearch(item)" class="list-item">
            {{ item }}
        </div>
        </div>
      </div>
    </div>
  </template>
  
  <script>
  import { getHistoryList, setHistoryList } from '@/utils/storage'
  //导入混入方法
import loginConfirm from '@/mixins/loginConfirm'

  export default {
    name: 'SearchIndex',
    mixins: [loginConfirm],
    data() {
        return {
            search:'',
            history:getHistoryList()
        }
    },
    methods:{
        goSearch (key) {
          if (this.loginConfirm()) {
    return
  }
        const index = this.history.indexOf(key)
        if (index !== -1) {
          this.history.splice(index, 1)
        }
        this.history.unshift(key)
        setHistoryList(this.history)
        this.$router.push(`/searchlist?search=${key}`)
        },
        clear () {
            this.history = []
            setHistoryList([])
            this.$toast.success('清空历史成功')
        }
    }
  }
  </script>
  
  <style lang="less" scoped>
  .search {
    .searchBtn {
      background-color: #fa2209;
      color: #fff;
    }
    ::v-deep .van-search__action {
      background-color: #c21401;
      color: #fff;
      padding: 0 20px;
      border-radius: 0 5px 5px 0;
      margin-right: 10px;
    }
    ::v-deep .van-icon-arrow-left {
      color: #333;
    }
    .title {
      height: 40px;
      line-height: 40px;
      font-size: 14px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 15px;
    }
    .list {
      display: flex;
      justify-content: flex-start;
      flex-wrap: wrap;
      padding: 0 10px;
      gap: 5%;
    }
    .list-item {
      width: 30%;
      text-align: center;
      padding: 7px;
      line-height: 15px;
      border-radius: 50px;
      background: #fff;
      font-size: 13px;
      border: 1px solid #efefef;
      overflow: hidden;
      white-space: nowrap;
      text-overflow: ellipsis;
      margin-bottom: 10px;
    }
  }
.van-search__content--square{
  height: 40px;
}
.van-field{
  margin-top: 5px;
}
em{
  color: #c21401;
}

  </style>